At the university freshman ceremony, the warm and bright Song Nuannuan fell in love at first sight with Jin Zaixia, the flower of the high mountain who was speaking on the stage, and launched a fierce offensive. Her love did not allow her to give up, so she chose to fulfill her wish. Ten years later, when Jin Zaixia wanted to let go of her obsession, Song Nuannuan, a criminal investigation consultant, once again appeared in Jin Zaixia's world as a love guest. As the case deepens, the illegitimate meal actually leads to an old case, and the truth about the fire is about to come out. Jin Zaixia discovered that there was an unknown secret hidden behind Song Nuannuan.
18-Year-old Song Nuannuan: goes to school, eats, and chases male idols; 28-year-old Song Nuannuan: goes to class, investigates cases, and chases male idols.
18-Year-old Jin Zaixia: goes to school and works part-time; 28-year-old Jin Zaixia: Song Nuannuan, works.
Song Nuannuan: I am really a career fan!
Kim Jae-ha: But I'm a love brain!
Intention: Good deeds and evil deeds will be rewarded